Limited Slip Differential
| |

Limited Slip Differential

Limited Slip Differential – what type of oil is required? A limited slip differential (LSD) is a type of differential that allows its two output shafts to rotate at different speeds, but limits the maximum difference between the two shafts. In an car, such limited-slip differentials are sometimes used in place of a standard differential, where they…

Which gear oils do I use in my vintage car that has lots of yellow metal in the gearbox and differential?

Which gear oils do I use in my vintage car that has lots of yellow metal in the gearbox and differential?

Millers Classic Green Gear GL1 oils will be the closest to the original specification and is available in the heavier viscosities (90 and 140).  Use for lubrication of transmission systems which preclude the use of extreme pressure (EP) types, specifically for vintage applications. Click these links to buy Millers Classic Green Gear Oil 90 GL1…

The various different types of gear oil confuse me. What does GL1, GL3, GL4, and GL5 etc. mean?

The various different types of gear oil confuse me. What does GL1, GL3, GL4, and GL5 etc. mean?

There are 4 levels of performance in classic gear oils and these really follow the development of gear design. GL1 is the lowest level of performance and is only used in vintage transmissions. It is very similar to engine oil, having a very low additive content, but is available in much higher (thicker) viscosities to…